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Google Chat Integration Guide

Connect Google Chat with enterprise applications through its REST API, incoming webhooks, Google Workspace Events, and authenticated Chat app workflows.

Google Chat integration options at a glance

Google Chat provides a versioned REST API for spaces, messages, memberships, users, reactions, and related resources. Incoming webhooks support one-way message delivery into specific spaces, while the Google Workspace Events API provides selected event notifications for Chat resources. Chat apps can also receive supported user interactions and respond with messages, cards, or dialogs. OAuth 2.0, Chat app identity, service accounts in supported Workspace configurations, scoped permissions, and Google Cloud credentials govern access. Martini can consume these APIs, receive compatible event notifications, transform payloads, apply routing and business rules, and expose APIs that trigger outbound Chat messages.

Integration pointSupported by Google Chat?Common use casesHow Martini supports it
REST APIsYesManage and retrieve Spaces, Messages, Memberships, Users, Reactions, and related Google Chat resources. REST operations can send messages as an authorized user or Chat app where permitted.Martini can consume the versioned Google Chat REST API from workflows, map request and response payloads, paginate list operations, and expose reusable APIs around Chat operations.
Events and outbound callbacksLimitedThe Google Workspace Events API supports selected notifications for changes involving Google Chat spaces, messages, memberships, and other supported resources.Martini can expose an API endpoint or event-ingestion workflow for compatible event delivery, validate notifications, retrieve current resource state, and handle duplicate or expired subscriptions.
Incoming webhooksLimitedIncoming webhooks provide one-way message delivery into a configured Google Chat space. They are not a general-purpose mechanism for reading Chat resources or receiving every event.Martini can invoke configured incoming webhook URLs from workflows after applying routing, formatting, validation, and retry rules.
Chat app interactionsYesConfigured Chat apps can receive supported user interactions involving messages, commands, cards, dialogs, and related interaction types, then respond to users.Martini can expose APIs to receive compatible Chat app interaction requests and orchestrate validation, business rules, downstream calls, and response generation.
File and attachment APIsLimitedMessages can include attachments and links, with media operations available for supported attachment scenarios. Access may depend on Google Drive permissions and resource rules.Martini can map attachment metadata, call supported media endpoints, preserve resource references, and apply permission-aware handling without assuming every attachment is directly downloadable.
Batch and bulk APIsLimitedStandard Google API request batching may reduce HTTP overhead for compatible methods, but Google Chat does not document a general-purpose bulk export or bulk mutation API.Martini can use controlled batching where compatible, while relying on pagination, checkpoints, throttling, and workflow orchestration for larger synchronizations.
AuthenticationYesGoogle Chat supports OAuth 2.0 user authorization, Chat app authentication, relevant service-account and domain-wide-delegation scenarios, scoped access, and Google Cloud project credentials.Martini can manage environment-specific OAuth configuration and secrets, call authenticated endpoints, and keep client secrets, refresh tokens, and service-account credentials out of workflow definitions.
Database or analytics accessNoGoogle Chat does not document a direct database or analytics interface. Operational history must be stored in application-side systems, logs, or other approved Workspace and enterprise services.Martini can persist selected Chat data in supported databases or forward it to another system when an application-side audit or reporting store is required.

How Google Chat exposes data and business events

Google Chat REST APIs

The Google Chat REST API provides versioned resources and operations for Spaces, Messages, Memberships, Users, Reactions, and related objects. It supports reading and managing resources and sending messages according to the authenticated identity and granted scopes.

Martini implementation pattern

Martini implementation pattern: a workflow receives an API request, scheduled trigger, or upstream event, authenticates to Google Chat, calls the required REST resource, maps the response into a canonical model, and writes the result to the target application or returns a controlled API response.

Implementation sequence

Authenticate with the appropriate OAuth 2.0, Chat app, or supported service-account flow
Receive an API request, scheduled trigger, or upstream application event
Call the required Google Chat REST resource
Follow pagination and persist a checkpoint when listing resources
Map Google Chat fields to the target system model
Apply routing, authorization, and data-minimization rules19?

Google Workspace Events API

The Google Workspace Events API can notify subscribers about selected changes involving Google Chat resources, including supported message, membership, and space events. Coverage depends on the resource and event type and does not represent every possible Chat change.

Martini implementation pattern

Martini implementation pattern: a Martini API or event-ingestion workflow receives the compatible notification, validates its source and event identity, acknowledges or records receipt as appropriate, retrieves the current Chat resource through the REST API, and processes the resulting state idempotently.

Implementation sequence

Receive the selected Google Chat event notification
Validate the event identity, subscription context, and delivery payload
Record the event key to prevent duplicate processing
Retrieve the current Space, Message, or Membership resource
Map the current resource state to the target application
Monitor subscription lifecycle and renew or replace subscriptions when required

Google Chat incoming webhooks

Incoming webhooks provide a simple, one-way way to send messages into a configured Google Chat space. They are useful for alerts and summaries but do not provide general-purpose resource reads or universal event delivery.

Martini implementation pattern

Martini implementation pattern: a workflow receives an alert or business event, resolves the configured webhook for an approved space, formats and validates the message payload, invokes the webhook, and records the result without treating the webhook as a bidirectional API.

Implementation sequence

Receive the source alert or business event
Apply routing, content filtering, and sensitive-data rules
Build and validate the Google Chat message payload
Invoke the configured incoming webhook
Record the response and correlation identifier
Retry transient failures without blindly duplicating an uncertain message

Google Chat app interactions

Configured Google Chat apps can receive supported user interactions involving commands, messages, cards, dialogs, and other interaction types. These interactions are distinct from Workspace Events subscriptions and depend on Chat app configuration.

Martini implementation pattern

Martini implementation pattern: a Martini API receives the interaction request, validates the request according to the deployed Chat app design, invokes downstream workflows or APIs, and returns a supported response such as a message, card, or dialog result.

Implementation sequence

Receive the Chat app interaction request
Validate the request and identify the originating space or user
Apply authorization and business rules
Call downstream systems or Google Chat resources
Construct the supported interaction response
Record correlation and error details without exposing credentials

Google Chat media and attachments

Google Chat messages can contain attachments and links, with media methods available for supported operations. Access to attached resources can depend on Google Drive permissions and the identity used by the integration.

Martini implementation pattern

Martini implementation pattern: a workflow receives attachment metadata, checks whether the resource can be accessed by the authenticated identity, retrieves supported media when required, and forwards a permission-aware reference or file to the target system.

Implementation sequence

Receive the message or attachment reference
Identify the attachment and associated Google resource
Check access requirements and target-system handling rules
Retrieve supported media when authorized
Map metadata and content to the target model
Store or forward the result with an audit reference

Common Google Chat integration patterns

Pattern 1: Send enterprise alerts to Google Chat

When to use this pattern

Use this pattern when incidents, order exceptions, deployment results, or business-rule violations need to reach a team space quickly. The source can invoke a Martini API or Martini can generate the alert from a scheduled or event-driven workflow.

Integration direction
Enterprise application or monitoring system
Martini
Google Chat
Example Mapping
Google Chat FieldCanonical FieldTarget Field
source.eventIdnotification.correlationIdmessage metadata or workflow key
source.prioritynotification.severitymessage text or card header
source.summarynotification.titlemessage text
source.urlnotification.referenceUrlmessage link
Martini implementation pattern

Martini receives the source event, validates required fields, resolves the Google Chat space from routing configuration, transforms the payload into text or a supported card structure, and sends it through the REST API or incoming webhook. It records the correlation key, distinguishes transient quota failures from authorization errors, and uses duplicate-prevention rules before retrying.

Martini capabilities used
  • API exposure
  • workflows
  • API consumption
  • data mapping
  • business rules
  • error handling

Pattern 2: Synchronize selected Google Chat events

When to use this pattern

Use this pattern when a target system needs selected changes to Google Chat Spaces, Messages, or Memberships rather than a complete historical export. It is appropriate where the required resource and event type are supported by the Google Workspace Events API.

Integration direction
Google Chat
Google Workspace Events API
Martini
Target application
Example Mapping
Google Chat FieldCanonical FieldTarget Field
event.resourcesource.resourceNametarget.externalResourceId
event.eventTypechange.typetarget.changeType
message.namemessage.externalIdtarget.messageId
message.textmessage.bodytarget.description
Martini implementation pattern

Martini receives the event notification, validates and records the event key, retrieves the current resource through the Google Chat REST API, and maps it to the target model. The workflow uses stable resource names, checkpoints, subscription monitoring, and idempotent writes because event coverage is selective and deliveries or retries may be duplicated.

Martini capabilities used
  • API exposure
  • event-driven workflows
  • API consumption
  • data mapping
  • checkpointing
  • error handling

Pattern 3: Route service desk and CRM notifications

When to use this pattern

Use this pattern when Salesforce, ServiceNow, or another business application must notify a defined Google Chat space about a case, incident, account escalation, or priority change.

Integration direction
Salesforce or ServiceNow
Martini
Google Chat
Example Mapping
Google Chat FieldCanonical FieldTarget Field
case.number or incident.numberworkItem.referencemessage title
case.priority or incident.urgencyworkItem.severitymessage emphasis
case.assignedTo or incident.assignmentGroupworkItem.ownermessage body
case.url or incident.urlworkItem.referenceUrlmessage link
Martini implementation pattern

A Martini API or workflow receives the source object, applies routing and data-minimization rules, resolves the Google Chat space using controlled mappings, and posts a message through the REST API or incoming webhook. It avoids exposing confidential fields, records the source identifier, and handles retries without creating repeated notifications.

Martini capabilities used
  • API exposure
  • workflows
  • data mapping
  • business rules
  • secrets management
  • error handling

Pattern 4: Publish scheduled operational summaries

When to use this pattern

Use this pattern for hourly or daily summaries assembled from one or more enterprise systems, such as open incidents, deployment status, calendar activity, or processing exceptions.

Integration direction
Source systems
Martini scheduled workflow
Google Chat
Example Mapping
Google Chat FieldCanonical FieldTarget Field
source.items[]summary.items[]message sections
source.createdAtsummary.reportingWindowmessage period
source.statussummary.statusCountsmessage totals
source.ownersummary.ownerBreakdownmessage details
Martini implementation pattern

A Martini scheduler starts the workflow, which retrieves paginated source data, applies the reporting window and time-zone rules, aggregates and formats the result, and publishes one controlled message to the destination space. The workflow stores a run key and summary window to prevent repeated reports and records partial-source failures for follow-up.

Martini capabilities used
  • scheduler triggers
  • workflows
  • API consumption
  • data mapping
  • aggregation
  • business rules
  • monitoring

Applications commonly integrated with Google Chat

Google Chat is commonly used as a collaboration and notification destination for Google Workspace, business applications, service platforms, and other collaboration tools. Martini can orchestrate these systems without requiring a dedicated Google Chat connector, using each application’s supported APIs and Google Chat’s REST API, incoming webhooks, or selected event mechanisms.

Application Scenario Direction Martini Pattern
Google Calendar Post meeting reminders, agenda details, and schedule-related alerts into relevant Chat spaces. Google Calendar → Martini → Google Chat A scheduled or event-driven workflow retrieves calendar changes, applies audience and timing rules, formats a concise message, and posts it to a configured space through the Chat REST API or an incoming webhook.
Google Drive Notify teams about shared files, approvals, and document changes while preserving relevant Drive links and access expectations. Google Drive → Martini → Google Chat Martini receives or polls Drive activity, maps file metadata to a notification model, validates the destination audience, and posts a message containing an authorized Drive link rather than assuming the attachment is directly downloadable.
Gmail Route selected operational or customer emails into Chat spaces or notify teams about email-processing outcomes. Gmail → Martini → Google Chat A Martini workflow consumes approved Gmail events or API results, filters messages by sender or business rule, removes sensitive content where necessary, and sends a summarized notification to Google Chat.
Salesforce Publish opportunity, case, account, and escalation alerts to the teams responsible for follow-up. Salesforce → Martini → Google Chat Martini receives a Salesforce event or API request, resolves the target space, applies data-minimization and routing rules, and posts an idempotent message with links and selected business fields.
ServiceNow Notify operations teams about incidents, changes, service requests, and priority escalations. ServiceNow → Martini → Google Chat A ServiceNow-triggered workflow validates the incident payload, maps priority and assignment data, selects the appropriate Chat space, and posts or updates a notification while recording correlation and retry information.
Jira Send issue assignments, priority changes, release notifications, and delivery exceptions to development spaces. Jira → Martini → Google Chat Martini consumes Jira API events or scheduled results, transforms issue fields into a Chat message or card, applies project-to-space routing, and handles transient API failures with controlled retries.
Slack Coordinate selected notifications between collaboration environments during migration or coexistence. Slack → Martini → Google Chat Martini receives an approved Slack event or API payload, normalizes the message into an internal format, applies loop-prevention rules, and delivers it to Google Chat using the REST API or an incoming webhook.
Microsoft Teams Replicate selected operational notifications across collaboration platforms for distributed teams. Microsoft Teams → Martini → Google Chat A Martini workflow consumes Teams events or API responses, maps sender, channel, and message information to a controlled notification model, and publishes only approved content to the corresponding Google Chat space.

How to build a Google Chat integration in Martini

Objective

Establish Google Cloud and Google Workspace access using the identity appropriate for the workflow and the narrowest scopes that satisfy the required operations.

Instructions in Martini

  • Configure the Google Chat API and required Google Cloud credentials
  • Choose OAuth 2.0 user authorization, Chat app authentication, or a supported service-account scenario
  • Store client secrets, refresh tokens, and service-account credentials in Martini secrets
  • Confirm applicable Google Workspace administrator approval and access to required spaces

Objective

Select an event-driven, API-led, or scheduled starting point based on whether the workflow sends notifications, receives interactions, or synchronizes selected Chat resources.

Instructions in Martini

  • Use a Martini API for requests from Salesforce, ServiceNow, Jira, or another application
  • Use a compatible Google Workspace Events delivery endpoint for selected Chat events
  • Use an incoming webhook when the requirement is one-way message delivery into a space
  • Use a scheduler for summaries, reconciliation, or checkpoint-based synchronization

Objective

Obtain the source payload and retrieve the current Google Chat resource state when event notifications contain only a resource reference or partial change information.

Instructions in Martini

  • Validate incoming event, interaction, or application payloads
  • Call the Google Chat REST API for Spaces, Messages, Memberships, Users, Reactions, or supported media
  • Follow page tokens for list operations
  • Persist event identifiers, resource names, and synchronization checkpoints

Objective

Coordinate calls, routing decisions, enrichment, and downstream writes in a maintainable Martini workflow rather than embedding all logic in a single script.

Instructions in Martini

  • Separate notification delivery, event synchronization, and scheduled reporting flows
  • Resolve spaces and users through controlled resource-name mappings
  • Add branches for authorization failures, quota responses, invalid resources, and transient transport errors
  • Use reusable services or workflow components for shared Google Chat handling

Objective

Convert Google Chat payloads into canonical business models and create valid message or card payloads for outbound notifications.

Instructions in Martini

  • Map Google resource names to stable internal identifiers
  • Transform text, cards, links, reactions, and attachment metadata as required
  • Apply data-minimization and sensitive-content rules before posting messages
  • Validate required fields and supported message structures

Objective

Control who receives each message, which events are synchronized, and how duplicate or unauthorized operations are handled.

Instructions in Martini

  • Apply project, team, severity, space, and membership routing rules
  • Use idempotency keys based on event identifiers, message names, or source references
  • Avoid relying only on display names for spaces and users
  • Prevent notification loops when bridging collaboration platforms

Common Google Chat data objects used in integrations

ObjectTypical UseCommon target systemsMartini handling
SpacesIdentify Chat rooms, group conversations, and direct messages for routing, message delivery, and access checks.Salesforce, ServiceNow, Jira, Google Calendar, operational databasesMartini treats space resource names as stable identifiers, maps them to internal routing rules, and retrieves current space details when needed.
MessagesCarry text, cards, dialogs, quoted content, links, and selected attachment references for notifications and collaboration workflows.Salesforce, ServiceNow, Jira, Slack, Microsoft Teams, audit storesMartini validates and transforms message payloads, applies content and privacy rules, and uses resource names or event keys to support idempotent processing.
MembershipsRepresent relationships between users or Chat apps and spaces for access-aware routing and membership synchronization.Identity stores, service platforms, collaboration directoriesMartini retrieves memberships through paginated API calls, maps users and apps to internal identities, and applies authorization-aware business rules.
UsersIdentify Google Workspace participants and associate messages, memberships, or routing rules with people.Identity platforms, CRM systems, service platforms, employee directoriesMartini maps Google user identifiers to canonical identities and avoids relying solely on display names, which can change.
ReactionsRepresent emoji responses associated with messages for lightweight acknowledgement, approval, or status workflows.Workflow databases, service platforms, reporting storesMartini can retrieve and transform reaction data, correlate it with message names, and apply business rules for supported reaction-driven processes.
AttachmentsReference files or other resources included with messages, including Google Drive-related content where supported.Google Drive, document repositories, case systems, audit storesMartini preserves attachment metadata and links, checks resource access assumptions, and retrieves media only through supported APIs and authorized permissions.

Authentication and security considerations

Google authentication model

Google Chat integrations use OAuth 2.0 user authorization, Chat app authentication, and supported service-account or domain-wide-delegation scenarios. Access is controlled by Google Cloud credentials, OAuth scopes, the authenticated identity, and Google Workspace administration.

Scope and secret management

  • Use the narrowest scopes required for spaces, messages, memberships, users, reactions, or media.
  • Store client secrets, refresh tokens, service-account credentials, and webhook values in Martini secrets and environment configuration.
  • Account for administrator approval or consent for sensitive or restricted scopes.
  • Separate user-authorized operations from Chat app-authorized operations and verify that the identity can access the target space.

Content protection

Apply data-minimization rules before posting business information to a Chat space. Attachments and Drive links may have permissions that differ from the destination audience, so workflows should validate access expectations and avoid exposing confidential content in message text.

Operational considerations for Google Chat integrations

Quotas and pagination

Google APIs enforce quotas and rate limits. Use controlled concurrency, backoff for transient failures and HTTP 429 responses, and separate webhook quota handling from REST API quota handling. List operations may be paginated, so persist page tokens or synchronization checkpoints.

Events and idempotency

Workspace Events coverage is selective, subscriptions have lifecycle constraints, and event delivery or workflow restarts can cause duplicate processing. Use event identifiers, message names, resource names, or local processing keys to make writes idempotent.

Resource and schema changes

Use stable resource names rather than display names for spaces and users. Validate required fields, tolerate additive fields where appropriate, and isolate Google-specific transformations from downstream canonical models as Google APIs evolve.

Testing and observability

  • Test user, Chat app, webhook, and service-account authorization paths separately.
  • Record correlation IDs, resource names, request identifiers, and Google error details without logging tokens or unnecessary message content.
  • Distinguish authentication, permission, invalid-resource, quota, and transient transport failures.
  • Monitor subscription expiration, workflow retries, partial synchronization, and repeated notification attempts.

Why use Martini instead of scripts or point-to-point integrations?

Centralized orchestration

Martini coordinates Google Chat with enterprise applications through workflows and APIs, keeping routing, enrichment, transformation, and error handling in a maintainable integration layer.

Reusable integration logic

Instead of creating separate scripts for every alert or Chat space, teams can reuse authentication configuration, mappings, validation rules, space resolution, checkpointing, and retry behavior across workflows.

Reliable data movement

Martini supports API-led, event-driven, and scheduled patterns. It can combine Workspace Events notifications with REST API retrieval, pagination, idempotent writes, and controlled retries while preserving operational visibility.

Controlled exposure

Martini can expose APIs that receive requests from Salesforce, ServiceNow, Jira, or internal systems and then publish approved content to Google Chat. Environment-specific secrets and business rules remain separate from application payloads and vendor-specific implementation details.

Frequently asked questions

How can Google Chat be integrated with enterprise systems?

Google Chat can be integrated through its versioned REST API, incoming webhooks for one-way message delivery, Google Workspace Events for selected Chat notifications, and configured Chat app interactions. OAuth 2.0, Chat app identity, supported service-account scenarios, Google Cloud credentials, and scoped permissions determine access.

Can Martini integrate with Google Chat?

Yes. Martini can consume the Google Chat REST API, invoke incoming webhooks, receive compatible Google Workspace event notifications through an exposed API, and orchestrate Chat app interaction workflows. It can transform Google Chat data and connect it with business applications or databases.

Do I need a connector to integrate Google Chat with Martini?

No. A dedicated Google Chat connector is not required. Martini can use Google Chat’s confirmed native integration mechanisms, including REST APIs, incoming webhooks, selected Workspace Events notifications, Chat app interactions, and supported authentication methods.

Is there any extra Lonti cost to integrate Google Chat with Martini?

Lonti does not charge an additional per-connector or per-vendor fee to integrate Google Chat. Integrations are subject to the provisioned capacity of the Martini environment. Separate costs may apply from Google, Google Workspace, Google Cloud, hosting infrastructure, or other third-party services depending on subscription, usage, and deployment model.

Which Google Chat integration method should an enterprise use?

Use the REST API for controlled reads, writes, resource management, and message delivery. Use incoming webhooks for simple one-way notifications, Google Workspace Events for selected resource changes, and Chat app interactions for configured user-facing commands, cards, or dialogs. Google Chat does not document an official GraphQL or SOAP API.

Can Google Chat events or webhooks trigger a Martini workflow?

Selected Google Chat events can be delivered through the Google Workspace Events API to a compatible Martini API or event-ingestion workflow. Incoming webhooks are primarily outbound from an integration into a Chat space and should not be treated as a general-purpose inbound event mechanism. Event coverage depends on the resource and event type.

How does Martini synchronize Google Chat data with another system?

Martini can combine selected Workspace Events notifications with authenticated REST API reads, pagination, checkpoints, and idempotent writes. The workflow retrieves the current Space, Message, Membership, User, Reaction, or attachment state, maps it to a canonical model, and writes it to the target system. Complete synchronization is subject to Google authorization and event coverage.

How does Martini handle Google Chat errors, retries, and duplicate messages?

Martini workflows can classify authentication, permission, invalid-resource, quota, and transport failures, then apply appropriate retry and logging policies. For events and restarts, workflows should use stable resource names or event identifiers for idempotency. Message-posting retries require care when the original response is unknown, because a repeated request could create a duplicate notification.

Related Martini documentation

Google APIs

Workflows

Security

Reliability

Data

Connect Google Chat with your enterprise systems

Use Martini to build secure, maintainable Google Chat integrations around REST APIs, selected events, incoming webhooks, and authenticated workflows.

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